supply of overhauling kit for d1 auto drain valve consisting of 15 items as per wabco pc no. or equivalent , overhauling kit for d1 auto drain valve consisting of 15 items as per wabco pc no. or equivalent, sr. no. 1. gasket wabco pc no 521786-qty/kit- 1 2. gasket wabco pc no 93840-qty/kit- 1 3. diaphragm wabco pc no 542828-qty/kit- 1 4. o ring wabco pc no 524609-qty/kit- 2 5. o ring wabco pc no 531860-qty/kit- 1 6. seal wabco pc no 566944-qty/kit- 1 7. spring, diaphragm wabc o pc no 551139- qty/kit- 1 8. check, ball 1/2 dia wabco pc no 85031- qty/kit-1 9. plug choke wab co pc no 551143-qty/kit-1 10. nut, retaining, ball ch wabco pc no 569330 qty/kit- 1 11. bush ball check wabco pc no 551136- qty/kit- 1 12. retainer seal wabco pc no 551137-qty/kit- 1 13 . pin wa bco pc no 68557-qty/kit- 1 14. stem wabco pc no 551138-qty/kit- 1 15. follower diaphragm wabc o pc no 551141- qty/kit- 1. [ warranty period: 30 months after the date of delivery ] ]